Food slicer



FIG. 1 is a right, front and top perspective view of a food slicer showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a food slicer, as shown. 